SRAM BlipGrip eTap Bar End Gear ShiftersBringing your shifting efficiency to an all-time high, these bar-end buttons are the ideal accompaniment to aero extensions and base bars. Suitable for use with SRAM's RED eTAP groupset, they allow you to move through the gears with minimum fuss, keeping you fully focused on the finish line. Features: Material: Polypropylene + TPE Compatibility: All Zipp aero extensions and base bars Suitability: Aero use only to fit 22.2mm OD bar 65mm in length Weight: 57g per pair (Blips not included)Buy SRAM Components from Chain Reaction Cycles, the World's Largest Online Bike Store.